My beer smells like sulfur (rotten eggs). What is wrong?
During the ferment, many beer yeast’s, particularly lager strains, give off sulfur compounds. This is not a problem and your beer is not spoiled. As the ferment proceeds, the amount of sulfur smell will decrease, and sulfur smell will not be present in the finished beer. Lager beers and wine ferments give off the most sulfur odor.
